Finding the Third Proportional to 106,315 and 144,450

Step by Step Solution

1. Step 1: Write the proportion equation
   106,315 : 144,450 = 144,450 : x
2. Step 2: Convert to fraction form
   106,315/144,450 = 144,450/x
3. Step 3: Cross multiply
   106,315x = 144,450 × 144,450
4. Step 4: Simplify right side
   106,315x = 20,865,802,500
5. Step 5: Solve for x
   x = 20,865,802,500/106,315
6. Step 6: Final answer
   x = 196,263.96